Analysis
-
max time kernel
118s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
04-09-2023 09:57
Static task
static1
Behavioral task
behavioral1
Sample
INVOICE.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
INVOICE.exe
Resource
win10v2004-20230831-en
General
-
Target
INVOICE.exe
-
Size
611KB
-
MD5
653fce7ffffb975dc4d7d89344105681
-
SHA1
65d9b6be3027429e22dae42965ff9e5159562b30
-
SHA256
70d57ad08d7ddb371bba0f2c530bc05fc59f507299b0af73477c564b1d740a97
-
SHA512
fb35ecd1e741af89500268d0c65aff85c9e32a44e676daa467a0e4a5db27579d8138ad2658a9176aaa61e342453ff13669108f088d12a855752f6315b03f7d21
-
SSDEEP
12288:A9/XABwK9N4fHk9Isn5xUhuJb/T0OsDlGOI+hx03z2ekz+:w/XdeQs5xGEXQRx03oz+
Malware Config
Signatures
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE.exe Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1860 set thread context of 1736 1860 INVOICE.exe 30 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1736 INVOICE.exe 1736 INVOICE.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1736 INVOICE.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1736 INVOICE.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1860 wrote to memory of 1736 1860 INVOICE.exe 30 PID 1860 wrote to memory of 1736 1860 INVOICE.exe 30 PID 1860 wrote to memory of 1736 1860 INVOICE.exe 30 PID 1860 wrote to memory of 1736 1860 INVOICE.exe 30 PID 1860 wrote to memory of 1736 1860 INVOICE.exe 30 PID 1860 wrote to memory of 1736 1860 INVOICE.exe 30 PID 1860 wrote to memory of 1736 1860 INVOICE.exe 30 PID 1860 wrote to memory of 1736 1860 INVOICE.exe 30 PID 1860 wrote to memory of 1736 1860 INVOICE.exe 30 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3185155662-718608226-894467740-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 INVOICE.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1860 -
C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1736
-